139252126 has 8 divisors (see below), whose sum is σ = 224945784. Its totient is φ = 64270200.

The previous prime is 139252123. The next prime is 139252129. The reversal of 139252126 is 621252931.

It is an interprime number because it is at equal distance from previous prime (139252123) and next prime (139252129).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139252123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2677900 + ... + 2677951.

It is an arithmetic number, because the mean of its divisors is an integer number (28118223).

Almost surely, 2^139252126 is an apocalyptic number.

139252126 is a deficient number, since it is larger than the sum of its proper divisors (85693658).

139252126 is a wasteful number, since it uses less digits than its factorization.

139252126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5355866.

The product of its digits is 6480, while the sum is 31.

The square root of 139252126 is about 11800.5138023732. The cubic root of 139252126 is about 518.3231561870.

The spelling of 139252126 in words is "one hundred thirty-nine million, two hundred fifty-two thousand, one hundred twenty-six".